Nissan Frontier D22. Manual - part 121

FORWARD AND OVERRUN CLUTCHES

AT-453

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

FORWARD AND OVERRUN CLUTCHES

PFP:31570

Components

ECS007PY

LCIA0261E

AT-454

[RE4R01A]

FORWARD AND OVERRUN CLUTCHES

Disassembly and Assembly

ECS007PZ

Forward and overrun clutches are serviced essentially the same way
as reverse clutch is serviced. However, note the following excep-
tions.

●

Check of forward clutch operation

●

Check of overrun clutch operation

●

Removal of forward clutch drum
Remove forward clutch drum from transmission case by holding
snap ring.

●

Removal of forward clutch and overrun clutch pistons

–

While holding overrun clutch piston, gradually apply com-
pressed air to oil hole.

SAT860A

SAT861A

SAT865A

SAT862A

FORWARD AND OVERRUN CLUTCHES

AT-455

[RE4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

–

Remove overrun clutch from forward clutch.

●

Removal and installation of return springs

●

Inspection of forward clutch and overrun clutch return springs

●

Inspection of forward clutch drive plates

SAT863A

SAT526G

Inspection standard

: Refer to 

AT-497, "Return 

Springs"

 .

SAT829A

Thickness of drive plate

Standard

: 1.52 - 1.67 mm (0.0598 - 0.0657 in)

Wear limit

: 1.40 mm (0.0551 in)

SAT845A

AT-456

[RE4R01A]

FORWARD AND OVERRUN CLUTCHES

●

Inspection of overrun clutch drive plates

●

Installation of forward clutch piston and overrun clutch piston

–

Install forward clutch piston by turning it slowly and evenly.

•

Apply ATF to inner surface of clutch drum.

•

Align notch in forward clutch piston with groove in forward
clutch drum.

–

Install overrun clutch by turning it slowly and evenly.

•

Apply ATF to inner surface of forward clutch piston.

Thickness of drive plate

Standard

: 1.90 - 2.05 mm (0.0748 - 0.0807 in)

Wear limit

: 1.80 mm (0.0709 in)

SAT845A

SAT866A

SAT867A

SAT868A